./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4deec5a7f28e0846d35f8359abced34cc50e8d055749d132cfabb357e81f3d5f
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-12-03 03:46:53,763 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-12-03 03:46:53,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf
[2023-12-03 03:46:53,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-12-03 03:46:53,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-12-03 03:46:53,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-03 03:46:53,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-03 03:46:53,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS
[2023-12-03 03:46:53,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-03 03:46:53,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-12-03 03:46:53,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-03 03:46:53,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-12-03 03:46:53,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-12-03 03:46:53,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-12-03 03:46:53,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-12-03 03:46:53,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-03 03:46:53,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-12-03 03:46:53,856 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-12-03 03:46:53,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-12-03 03:46:53,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-12-03 03:46:53,857 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-12-03 03:46:53,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-12-03 03:46:53,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000
[2023-12-03 03:46:53,859 INFO L153 SettingsManager]: * Theory for external solver=ALL
[2023-12-03 03:46:53,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-03 03:46:53,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-12-03 03:46:53,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-03 03:46:53,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-12-03 03:46:53,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-03 03:46:53,861 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN
[2023-12-03 03:46:53,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-03 03:46:53,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-03 03:46:53,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4deec5a7f28e0846d35f8359abced34cc50e8d055749d132cfabb357e81f3d5f
[2023-12-03 03:46:54,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-03 03:46:54,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-03 03:46:54,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-03 03:46:54,119 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-12-03 03:46:54,120 INFO L274 PluginConnector]: CDTParser initialized
[2023-12-03 03:46:54,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_good.i
[2023-12-03 03:46:56,846 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-12-03 03:46:57,138 INFO L384 CDTParser]: Found 1 translation units.
[2023-12-03 03:46:57,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_good.i
[2023-12-03 03:46:57,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/data/39aef5389/e5a90d20872d489aa73ac6c6cd67e177/FLAG586dbda32
[2023-12-03 03:46:57,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/data/39aef5389/e5a90d20872d489aa73ac6c6cd67e177
[2023-12-03 03:46:57,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-03 03:46:57,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-03 03:46:57,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-03 03:46:57,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-03 03:46:57,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-03 03:46:57,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:46:57" (1/1) ...
[2023-12-03 03:46:57,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289f63a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:57, skipping insertion in model container
[2023-12-03 03:46:57,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:46:57" (1/1) ...
[2023-12-03 03:46:57,236 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-12-03 03:46:57,970 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-03 03:46:57,981 INFO L202 MainTranslator]: Completed pre-run
[2023-12-03 03:46:58,058 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-03 03:46:58,200 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-12-03 03:46:58,200 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-12-03 03:46:58,200 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-12-03 03:46:58,200 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-12-03 03:46:58,201 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler.
[2023-12-03 03:46:58,208 INFO L206 MainTranslator]: Completed translation
[2023-12-03 03:46:58,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58 WrapperNode
[2023-12-03 03:46:58,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-03 03:46:58,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-03 03:46:58,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-03 03:46:58,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-03 03:46:58,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,270 INFO L138 Inliner]: procedures = 503, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 79
[2023-12-03 03:46:58,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-03 03:46:58,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-03 03:46:58,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-03 03:46:58,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-12-03 03:46:58,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-03 03:46:58,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-03 03:46:58,301 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-12-03 03:46:58,301 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-12-03 03:46:58,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-12-03 03:46:58,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/z3
[2023-12-03 03:46:58,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-12-03 03:46:58,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-12-03 03:46:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2023-12-03 03:46:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2023-12-03 03:46:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure fgets
[2023-12-03 03:46:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2023-12-03 03:46:58,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2023-12-03 03:46:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-12-03 03:46:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2023-12-03 03:46:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-03 03:46:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-03 03:46:58,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-03 03:46:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-12-03 03:46:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure time
[2023-12-03 03:46:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-12-03 03:46:58,518 INFO L241 CfgBuilder]: Building ICFG
[2023-12-03 03:46:58,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-03 03:46:58,650 INFO L282 CfgBuilder]: Performing block encoding
[2023-12-03 03:46:58,691 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-03 03:46:58,691 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-12-03 03:46:58,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:46:58 BoogieIcfgContainer
[2023-12-03 03:46:58,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-03 03:46:58,694 INFO L112 PluginConnector]: ------------------------CodeCheck----------------------------
[2023-12-03 03:46:58,694 INFO L270 PluginConnector]: Initializing CodeCheck...
[2023-12-03 03:46:58,703 INFO L274 PluginConnector]: CodeCheck initialized
[2023-12-03 03:46:58,704 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:46:58" (1/1) ...
[2023-12-03 03:46:58,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-03 03:46:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-03 03:46:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions.
[2023-12-03 03:46:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions.
[2023-12-03 03:46:58,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-12-03 03:46:58,768 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-12-03 03:46:58,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-03 03:46:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-03 03:46:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-03 03:46:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-03 03:46:59,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions.
[2023-12-03 03:46:59,053 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions.
[2023-12-03 03:46:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-12-03 03:46:59,054 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-12-03 03:46:59,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-03 03:46:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-03 03:46:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-03 03:46:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-03 03:46:59,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions.
[2023-12-03 03:46:59,187 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions.
[2023-12-03 03:46:59,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-12-03 03:46:59,188 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-12-03 03:46:59,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-03 03:46:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-03 03:46:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-03 03:46:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-03 03:46:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions.
[2023-12-03 03:46:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions.
[2023-12-03 03:46:59,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-12-03 03:46:59,294 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-12-03 03:46:59,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-03 03:46:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-03 03:46:59,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-03 03:46:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-03 03:46:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions.
[2023-12-03 03:46:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions.
[2023-12-03 03:46:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-12-03 03:46:59,493 INFO L423 CodeCheckObserver]: Error Path is FOUND.
[2023-12-03 03:46:59,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-03 03:46:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-03 03:46:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-12-03 03:46:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-03 03:46:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 31 transitions.
[2023-12-03 03:46:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions.
[2023-12-03 03:46:59,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-12-03 03:46:59,660 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations.
[2023-12-03 03:46:59,668 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold
[2023-12-03 03:46:59,701 INFO L560 CodeCheckObserver]: Invariant with dag size 1
[2023-12-03 03:46:59,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:46:59 ImpRootNode
[2023-12-03 03:46:59,705 INFO L131 PluginConnector]: ------------------------ END CodeCheck----------------------------
[2023-12-03 03:46:59,706 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-12-03 03:46:59,706 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-12-03 03:46:59,706 INFO L274 PluginConnector]: Witness Printer initialized
[2023-12-03 03:46:59,707 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:46:58" (3/4) ...
[2023-12-03 03:46:59,709 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-12-03 03:46:59,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2023-12-03 03:46:59,712 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2023-12-03 03:46:59,716 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2023-12-03 03:46:59,717 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2023-12-03 03:46:59,717 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-12-03 03:46:59,717 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-12-03 03:46:59,810 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml
[2023-12-03 03:46:59,811 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/witness.yml
[2023-12-03 03:46:59,811 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-12-03 03:46:59,811 INFO L158 Benchmark]: Toolchain (without parser) took 2634.37ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 85.8MB in the beginning and 123.2MB in the end (delta: -37.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB.
[2023-12-03 03:46:59,812 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-12-03 03:46:59,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.04ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 68.3MB in the end (delta: 17.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB.
[2023-12-03 03:46:59,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.82ms. Allocated memory is still 125.8MB. Free memory was 68.3MB in the beginning and 65.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-12-03 03:46:59,813 INFO L158 Benchmark]: Boogie Preprocessor took 28.82ms. Allocated memory is still 125.8MB. Free memory was 65.5MB in the beginning and 63.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-12-03 03:46:59,813 INFO L158 Benchmark]: RCFGBuilder took 392.69ms. Allocated memory is still 125.8MB. Free memory was 63.5MB in the beginning and 47.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-12-03 03:46:59,814 INFO L158 Benchmark]: CodeCheck took 1011.18ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 47.3MB in the beginning and 128.4MB in the end (delta: -81.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-12-03 03:46:59,814 INFO L158 Benchmark]: Witness Printer took 104.84ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 123.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-12-03 03:46:59,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
- StatisticsResult: Ultimate CodeCheck benchmark data
CFG has 3 procedures, 30 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 167 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 81 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 447 GetRequests, 425 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
- PositiveResult [Line: 1599]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1599]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1608]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1608]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- InvariantResult [Line: 1589]: Loop Invariant
Derived loop invariant: 1
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1031.04ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 68.3MB in the end (delta: 17.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 60.82ms. Allocated memory is still 125.8MB. Free memory was 68.3MB in the beginning and 65.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 28.82ms. Allocated memory is still 125.8MB. Free memory was 65.5MB in the beginning and 63.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 392.69ms. Allocated memory is still 125.8MB. Free memory was 63.5MB in the beginning and 47.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* CodeCheck took 1011.18ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 47.3MB in the beginning and 128.4MB in the end (delta: -81.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 104.84ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 123.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
RESULT: Ultimate proved your program to be correct!
[2023-12-03 03:46:59,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fc5885d-2fa0-473b-ab1b-83e301fc5191/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE